Most people who have spent any time in the Washington, D.C. area in the past four decades have heard about the disappearance of Sheila and Katherine Lyon. The daughters of a popular local radio broadcaster walked to Wheaton Plaza mall on March 25, 1975, to see Easter decorations and have lunch. They never made it home. In episode 1, we hear moment-by-moment recollections of what happened that fateful day and recall the initial steps of the police investigation.